The Nature of the Abnormal Perceptual Experiences at the Onset of Schizophrenia

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Abstract
Sixty schizophrenics and 40 depressives in remission from the floridly psychotic phase were given a semi-structured interview concerning their abnormal perceptual experiences at the onset of their illness. About 50% of each set of subjects had experienced an alteration in the quality of their perception. However, there was a fairly characteristic pattern in each case: emotional tainting of the world around, a sense of unreality and noise sensitivity in depression; and an indefinable, qualitative change in visual perception, particularly affecting the way colours, people, space and facial expression were viewed, in schizophrenia. Of the various theories which have been put forward to explain perceptual change in schizophrenia, a breakdown in gestalt appeared to explain these findings best.

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